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Zero-gradient-excitation ramped hybrid encoding (zG -RHE) sodium MRI.

著者 Blunck Y , Moffat BA , Kolbe SC , Ordidge RJ , Cleary JO , Johnston LA
Magn Reson Med.2019 02 ; 81(2):1172-1180.
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Fast bi-exponential transverse signal decay compounds sodium image quality. This work aims at enhancing image characteristics using a special case of ramped hybrid encoding (RHE). Zero-gradient-excitation (zG )-RHE provides (1) gradient-free excitation for high flip angle, artifact-free excitation profiles and (2) gradient ramping during dead-time for the optimization of encoding time (t ) to reduce T signal decay influence during acquisition.
PMID: 30252156 [PubMed - indexed for MEDLINE]
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